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公开(公告)号：US20240326542A1
公开(公告)日：2024-10-03
申请号：US18598183
申请日：2024-03-07
申请人： EXEDY Corporation
发明人： Taichi KITAMURA
摘要： A drive unit as disclosed is capable of changing the magnitude of a wheel pressure acting on a drive wheel in accordance with the weight of a mobile object. A link mechanism includes a first link, a second link, and a first joint. The first link is pivotably attached to an upper unit. The first link extends from the upper unit both downward and in a second direction that is oriented opposite to a first direction. The second link is pivotably attached to a lower unit. The second link extends from the lower unit both upward and in the second direction. The first joint connects the first and second links therethrough to each other. An operating member is configured to move the first joint in the first direction when a human drive force is inputted thereto in the first direction.
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公开(公告)号：US20240317556A1
公开(公告)日：2024-09-26
申请号：US18596423
申请日：2024-03-05
申请人： EXEDY Corporation
发明人： Shin INOUE , Hitoshi KATSURA
CPC分类号： B66F9/07572 , B66F9/065 , B66F17/00
摘要： The disclosed drive unit is configured to help prevent a user from being sandwiched between a mobile object and an object of some kind when the user tows the mobile object. The drive unit includes an electric motor, an operating part, and a control part. The operating part is configured to be operated in a towing direction and a pushing direction. The operating part is located on the distal end in the towing direction. When determining that the operating part has been operated in the towing direction, the control part is configured to control the electric motor such that a mobile object travels in the towing direction. Conversely, when determining that the operating part has been operated in the pushing direction, the control part is configured to control the electric motor such that the mobile object travels in the pushing direction.
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公开(公告)号：US12018748B2
公开(公告)日：2024-06-25
申请号：US17947454
申请日：2022-09-19
申请人： EXEDY Corporation
发明人： Yoshihiro Matsuoka
CPC分类号： F16H61/0206 , F16H61/0025 , F16H61/16 , F16H47/06 , F16H2200/0021
摘要： A drive unit includes a motor, a torque converter, a torque transmission member, first and second transmission paths, first and second gear trains, and a controller. The torque converter amplifies torque directed in a first direction. The first transmission path transmits torque through the torque converter. The second transmission path transmits torque without through the torque converter. The first gear train outputs torque directed in the first direction as forward torque. The second gear train outputs torque directed in the first direction as reverse torque. The controller executes a first forward moving mode such that the motor is rotated in the first direction, and torque is outputted through the first transmission path and the first gear train. The controller executes a second forward moving mode such that the motor is rotated in a second direction, and torque is outputted through the second transmission path and the second gear train.
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公开(公告)号：US20240097526A1
公开(公告)日：2024-03-21
申请号：US18452660
申请日：2023-08-21
申请人： EXEDY Corporation
摘要： A drive unit is configured to prevent an auxiliary electric motor from being rotated, which could otherwise cause the back electromotive voltage thereof to exceed the maximum rated voltage. The drive unit includes a drive source, a shaft, an auxiliary electric motor, and a clutch. The shaft is configured to transmit a torque outputted from the drive source. The clutch is disposed between the shaft and the auxiliary electric motor. The clutch is configured to allow transmission of a mechanical power from the auxiliary electric motor to the shaft regardless of whether the mechanical power is intended for forward rotation or reverse rotation, while being configured to block transmission of the torque from the shaft to the auxiliary electric motor regardless of whether the torque is intended for forward rotation or reverse rotation.
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公开(公告)号：US20230400068A1
公开(公告)日：2023-12-14
申请号：US18314043
申请日：2023-05-08
申请人： EXEDY Corporation
发明人： Hiroshi UEHARA
摘要： A damper device includes a torque limiter unit, a damper unit, and a positioning structure. The torque limiter unit includes a damper cover fixed to a surface of a flywheel on a first side of the flywheel in an axial direction. The damper unit is disposed such that an outer peripheral end thereof is located on a second side of an inner peripheral end of the damper cover in the axial direction. The damper unit transmits mechanical power together with the flywheel therebetween. The positioning structure radially sets the damper unit in place with respect to the torque limiter unit by making an outer peripheral surface of a core plate of a friction disc contactable with an inner surface of the damper cover of the torque limiter unit. The damper device is intended to inhibit displacement in radial position of a damper unit with respect to a torque limiter unit.
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公开(公告)号：US11841062B2
公开(公告)日：2023-12-12
申请号：US17369174
申请日：2021-07-07
申请人： EXEDY Corporation
发明人： Hiroshi Uehara
IPC分类号： F16F15/123
CPC分类号： F16F15/12373
摘要： A damper device includes first and second rotors, and an elastic coupling part elastically coupling the two rotors. The elastic coupling part includes first and second elastic members initially disposed in a compressed state in a neutral condition without relative rotation between the two rotors. The first elastic member is transitioned from the compressed state to a free state and then further compressed when torsion of the first rotor with respect to the second rotor is caused from the neutral condition to a first side. The second elastic member is transitioned from the compressed state to the free state and then further compressed when the torsion of the first rotor with respect to the second rotor is caused from the neutral condition to a second side. Each of the first and second elastic members is transitioned from a one-side contact state to a both-side contact state when actuated in compressed.
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公开(公告)号：US11841061B2
公开(公告)日：2023-12-12
申请号：US17369150
申请日：2021-07-07
申请人： EXEDY Corporation
发明人： Hiroshi Uehara
IPC分类号： F16F15/123
CPC分类号： F16F15/12373
摘要： A damper device includes a first rotor, a second rotor, and an elastic coupling part elastically coupling the first and second rotors in a rotational direction. The elastic coupling part includes first and second elastic members that are each initially disposed in a compressed state in a neutral condition without relative rotation between the first rotor and the second rotor. The first elastic member is transitioned from the compressed state to a free state and then further compressed when torsion of the first rotor with respect to the second rotor is caused from the neutral condition to a first side in the rotational direction. The second elastic member is transitioned from the compressed state to the free state and then further compressed when the torsion of the first rotor with respect to the second rotor is caused from the neutral condition to a second side in the rotational direction.
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公开(公告)号：US20230313860A1
公开(公告)日：2023-10-05
申请号：US18043763
申请日：2021-08-27
IPC分类号： F16F15/129
CPC分类号： F16F15/1292
摘要： A friction generating mechanism of a damper apparatus includes a bushing in contact with an annular friction surface of a spline hub, and a cone spring arranged in a compressed state between a retaining plate and the bushing. A first load support surface of the bushing and a second load support surface of the retaining plate have step portions recessed so as to respectively receive an outer peripheral edge and an inner peripheral edge of the cone spring, when the taper of the cone spring is reversed. The radial positions of boundaries of the step portions are in a relationship of D1>D2, which inhibits the cone spring from being reversed even when an excessive load in the axial direction is input.
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公开(公告)号：US20230303372A1
公开(公告)日：2023-09-28
申请号：US18172440
申请日：2023-02-22
申请人： EXEDY Corporation
CPC分类号： B66F9/07572 , B60L15/20 , B60L2200/42
摘要： A forklift drive unit is configured to be installed in a forklift. The forklift drive unit includes an electric motor and a transmission. The electric motor is configured to drive and rotate a drive wheel. The transmission is configured to change a speed of rotation of the electric motor at a variable gear ratio.
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公开(公告)号：US20230204077A1
公开(公告)日：2023-06-29
申请号：US17994745
申请日：2022-11-28
申请人： EXEDY Corporation
发明人： Hiroshi UEHARA
IPC分类号： F16D3/12
CPC分类号： F16D3/12 , F16D2300/22
摘要： A damper device, disposed between an engine and a drive unit, includes an input rotor, an output rotor, an elastic coupling part, and a hysteresis torque generating mechanism. The hysteresis torque generating mechanism generates a hysteresis torque together with the input rotor or the output rotor therebetween. The damper device is in a neutral condition when a torque is not transmitted from both the engine and the drive unit, in a first torsional condition when the torque is transmitted from the engine, and in a second torsional condition when the torque is transmitted from the drive unit. The hysteresis torque generating mechanism is configured not to generate a hysteresis torque when the damper device is in the first torsional condition, and not to generate the hysteresis torque in a first range of torsion angle less than a first angle when the damper device is in the second torsional condition.
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